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What do 'real', 'user' and 'sys' mean in the output of time(1)?

What do 'real', 'user' and 'sys' mean in the output of time? 6 Answers 6 ...
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Addressing localhost from a VirtualBox virtual machine [closed]

...-from-virtualbox-xp-install-ubuntu It suggests using IP: http://10.0.2.2, and it worked for me. So, I edited the hosts file, C:\windows\system32\drivers\etc\hosts, and added this entry: 10.0.2.2 outer If you're testing on IE8, remember to put http:// in the address bar. Just putting the ip d...
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Pickle or json?

...ed to save to disk a little dict object whose keys are of the type str and values are int s and then recover it . Something like this: ...
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Drawing Isometric game worlds

...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes. "Drawing in a diamond" approach: By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
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Accessing nested JavaScript objects and arays by string path

...your property name contains '[]' in itself. Regex will replace it with '.' and it doesn't work as expected – Capaj Jul 30 '15 at 21:57 ...
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Add one row to pandas DataFrame

I understand that pandas is designed to load fully populated DataFrame but I need to create an empty DataFrame then add rows, one by one . What is the best way to do this ? ...
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Check that an email address is valid on iOS [duplicate]

...rict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/ And because categories are just better, you could also add an interface: @interface NSString (emailValidation) - (BOOL)isValidEmail; @end Implement @implementation NSString (emailValidation) -(BOOL)isValidEmail { BOO...
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How to get and set the current web page scroll position?

How can I get and set the current web page scroll position? 4 Answers 4 ...
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How to initialize a two-dimensional array in Python?

I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this: ...
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Remove grid, background color, and top and right borders from ggplot2

...ately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those suggestions to work. ...